Z — Source inverter based permanent magnet brushless DC motor drive

A novel permanent magnet brushless DC motor drive using Z-source inverter is proposed and analyzed in this paper. This drive system provides advantages both for PMBDC motor and Z-source inverter and can be used in light electric vehicles and any other adjustable drive applications. The operation principle, system configuration and control method are presented. The mathematical model of the drive system is established based on the equivalent circuit and state-space method. Simulation results prove the desired features and feasibility of the proposed drive system.